Continuous Delivery for DC/OS with Spinnaker Will Gorman - - PowerPoint PPT Presentation

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continuous delivery for dc os with spinnaker
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Continuous Delivery for DC/OS with Spinnaker Will Gorman - - PowerPoint PPT Presentation

Nov 20, 2022 114 likes •643 views

Continuous Delivery for DC/OS with Spinnaker Will Gorman @willgorman Deploying software is challenging Why continuous delivery? Decrease risks of deployment Decrease cost of deployment Decrease delay between feature development

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Continuous Delivery for DC/OS with Spinnaker

Will Gorman @willgorman

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Deploying software is challenging

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Why continuous delivery?

  • Decrease risks of deployment
  • Decrease cost of deployment
  • Decrease delay between feature

development and availability

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Deployments should be:

  • Safe
  • Automated
  • Flexible
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Safety features

  • Unit tests
  • Sandbox deployments
  • Smoke tests
  • Zero downtime deployments
  • Rolling/canary deployments
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Automation

  • Automation is an enabler of safety
  • Define and test the parts of deployments

that aren’t often performed

  • Deploy smaller changes more frequently
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Deployment Strategies

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Flexible

  • Many teams with similar needs, but some

variation

  • Engineers naturally want to automate
  • Make it easy to share and reuse
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How?

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Introducing Spinnaker

The open-source, multi-cloud, continuous delivery tool

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Continuous Delivery Features

  • Pipelines from commit to production
  • CI builds
  • Image baking
  • Deployment strategies
  • Validation
  • Promotion across environments
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Multi-cloud

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Multi-cloud

  • Spinnaker is multi-cloud but not a pure

abstraction

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Spinnaker Concepts

Applications, Clusters, Server Groups, and Instances

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Applications and Clusters

Application Clusters
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Server Groups and Instances

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Marathon applications and tasks

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Create New Server Group

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Create New Server Group

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Multi-Region Deployments

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Pipelines

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Triggers

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Docker Registry Trigger

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DC/OS Stages Supported

  • Server Groups
  • Create
  • Resize
  • Clone
  • Destroy
  • Pipeline Stages
  • Check preconditions
  • Deploy
  • Destroy Server Group
  • Disable Cluster
  • Find Image from Cluster
  • Jenkins, Manual Judgement, Pipeline,
Resize Server Group, Run Job, Scale Down Cluster, Script, Shrink Cluster, Wait
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Deploy

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Destroy Server Group

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Run Job

Execute a Metronome job as a step in a pipeline. Write JSON or property file output to the Mesos sandbox to create context for later steps
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Pipeline Expressions

  • Spring Expression Language
  • Works almost anywhere
  • Generate attributes of

pipelines at run-time

  • Evaluate to test for pipeline

branching conditions

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Pipeline Expressions

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Deployment Safeguards

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Execution Windows

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Execution Windows

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Traffic Guards

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Chaos Monkey

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Spinnaker Patterns for DC/OS

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Deployment timeouts

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Incremental Automation

  • Problem: Not everything in our release process is

completely automated yet

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Manual Judgment to Rollback

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Configuration Change Triggers

š Problem: Spinnaker pipeline configuration isn’t the primary source for our application configuration š Prefer configuration to be stored in version control or generated to reduce duplication across applications

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Configuration Change Triggers

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Load Balancer

  • Problem: Marathon-LB doesn’t

support Spinnaker load balancer

  • perations
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SLIDE 46 marathon-lb HAPROXY_0_VHOST: foo.example.com /demo/foo-v000 HAPROXY_0_VHOST: foo.example.com /demo/foo-v002

X

marathon-lb HAPROXY_0_VHOST: foo.example.com /demo/foo-v000 HAPROXY_0_VHOST: foo.example.com /demo/foo-v002

Load Balancer

marathon-lb HAPROXY_0_VHOST: foo.example.com /demo/foo-v000 HAPROXY_0_VHOST: foo.example.com /demo/foo-v002
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Traefik

Source: https://traefik.io/
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Traefik

Traefik HAPROXY_0_VHOST: foo.example.com traefik.backend: foo /demo/foo-v000 HAPROXY_0_VHOST: foo.example.com traefik.backend: foo /demo/foo-v001
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Load Balancer

  • Problem: Traefik still discovers routing rules

through labels, which can’t change after an instance is started

  • Solution – DC/OS 1.10 programmable Edge-LB

package (beta)

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Enterprise and Open Source DC/OS

  • Only supports DC/OS Enterprise authentication

methods currently

  • DC/OS Open Source works with authentication

disabled

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Thanks!

  • https://www.spinnaker.io/
  • Slack: https://join.spinnaker.io
  • http://careers.cerner.com
  • http://engineering.cerner.com